package util;

import java.util.List;
import java.util.Stack;
import java.lang.Math;
import java.util.Scanner;
import java.util.ArrayList;

public class FrequencyWords {
	
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		sc.nextInt();
		sc.nextLine();
		
		System.out.println();
		System.out.print("");

	}
}
